add @growi/core to dependencies of @growi/app

packages/app/package.json

@@ -65,6 +65,7 @@
     "@godaddy/terminus": "^4.9.0",
     "@google-cloud/storage": "^5.8.5",
     "@growi/codemirror-textlint": "^5.1.3-RC.0",
+    "@growi/core": "^5.1.3-RC.0",
     "@growi/plugin-attachment-refs": "^5.1.3-RC.0",
     "@growi/plugin-lsx": "^5.1.3-RC.0",
     "@growi/plugin-pukiwiki-like-linker": "^5.1.3-RC.0",